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US 4,086,980 AGranted
Dismantling ladder
OwnerLois E. Shortes, Joan A. Shortesinventors
Life of this patent
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Abstract
A dismantling ladder is provided wherein the rails are made of different sizes with the rungs of a still smaller size so that one rail can be telescoped inside the other and a rung telescoped inside the smaller rail so that the ladder can be stored in minimum of space.
Claims5
A dismantable ladder comprising in combination:
- a. a plurality of pairs of rails, each pair comprising a large rail and a small rail, said small rail being of a size to telescope inside a large rail,
- b. a plurality of removable rungs, each removable rung being of a size to telescope inside a small rail,
- c. complementary holes in said rails to receive said rungs, and
- d. a plurality of connector elements, each connector element including a fixed rung with a double socket affixed to each end thereof, each of said double sockets having a first opening facing up and a second opening facing down, the sockets on one end having openings to receive a large rail and on the opposite end to receive a small rail, and a barrier with each of said sockets to prevent a rail from passing completely through the socket.
1 more element
Dependencies are inferred from the claim text.